package com.itrip.itrptrade.controller;

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.itrip.common.vo.UserVo;
import com.itrip.itripauth.entity.HotelOrder;
import com.itrip.itripauth.service.HotelOrderService;
import com.itrip.itripauth.util.Dto;
import com.itrip.itripauth.util.DtoUtil;
import com.itrip.itripauth.util.JwtUtil;
import com.itrip.itripauth.util.RedisUtil;
import com.itrip.itrptrade.entity.Flow;
import com.itrip.itrptrade.entity.Orders;
import com.itrip.itrptrade.entity.Product;
import com.itrip.itrptrade.service.FlowService;
import com.itrip.itrptrade.service.OrdersService;
import com.itrip.itrptrade.service.ProductService;
import com.itrip.itrptrade.util.AlipayConfig;
import com.itrip.itrptrade.util.KeyUtil;
import com.itrip.itrptrade.util.OrderStatusEnum;
import io.jsonwebtoken.Claims;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * @author: 罗坤
 * @description: 订单支付
 * @date: 2020/3/13 11:18
 */
@RequestMapping("trade/api/")
@CrossOrigin
@Controller
public class PayController {

    @Resource
    private HotelOrderService hotelOrderService;

    @Resource
    private RedisUtil redisUtil;


    @Autowired
    OrdersService ordersService;
    @Autowired
    ProductService productService;
    @Autowired
    FlowService flowService;

    /**
     * 确认订单信息
     *
     * @param //订单ID
     * @return
     */
    @ResponseBody
    @ApiIgnore
    @RequestMapping(value = "/prepay/{orderNo}", method = RequestMethod.GET)
    public String orderPay(@PathVariable String orderNo) throws Exception {

        try {
            HotelOrder hotelOrder = hotelOrderService.loadHotelOrder(orderNo);
            System.out.println(hotelOrder);
            if (hotelOrder != null) {
//                Orders orders=ordersService.selectByPrimaryKey(orderid);

//                Product product = productService.selectByPrimaryKey(orders.getProductId());
                //获得初始化的AlipayClient
                AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

                //设置请求参数
                AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
                alipayRequest.setReturnUrl(AlipayConfig.return_url);
                alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

                //商户订单号，商户网站订单系统中唯一订单号，必填
                String out_trade_no = hotelOrder.getOrderNo();
                System.out.println(out_trade_no);
                //付款金额，必填
                String total_amount = String.valueOf(hotelOrder.getPayAmount());
                //订单名称，必填
                String subject = hotelOrder.getHotelName();
                //商品描述，可空
                String body = "用户订购商品个数：" + hotelOrder.getSpecialRequirement();

                // 该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天（1c-当天的情况下，无论交易何时创建，都在0点关闭）。 该参数数值不接受小数点， 如 1.5h，可转换为 90m。
                String timeout_express = "30m";

                alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                        + "\"total_amount\":\"" + total_amount + "\","
                        + "\"subject\":\"" + subject + "\","
                        + "\"body\":\"" + body + "\","
                        + "\"timeout_express\":\"" + timeout_express + "\","
                        + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

                //请求
                String result = alipayClient.pageExecute(alipayRequest).getBody();
                System.out.println(result);
                return result;
            } else {
                return null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }


    @RequestMapping(value = "/alipay/alipayReturnNotice")
    public String alipayReturnNotice(HttpServletRequest request, ModelMap model) throws Exception {

        System.out.println("支付成功, 进入同步通知接口...");
        //获取支付宝GET过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名
        //——请在这里编写您的程序（以下代码仅作参考）——
        if (signVerified) {
            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"), "UTF-8");


            //支付成功后进行订单状态修改
            //1.首先通过商户订单号查询当前订单信息
            HotelOrder hotelOrder = hotelOrderService.loadHotelOrder(out_trade_no);
            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            // 把日期对象转成指定格式的字符串 format
            Date date = dateFormat.parse(dateFormat.format(new Date()));
            //2.然后修改订单状态
            //支付宝交易号
            hotelOrder.setTradeNo(trade_no);
            //支付时间
            hotelOrder.setModifyDate(date);
            //订单状态
            hotelOrder.setOrderStatus(3);
            hotelOrder.setModifiedBy(hotelOrder.getUserId());
            System.out.println(hotelOrder.toString());
            hotelOrderService.updateHotelOrder(hotelOrder);
            System.out.println("商户订单号:" + out_trade_no);
            System.out.println("支付宝交易号:" + trade_no);
            System.out.println("付款金额:" + total_amount);

            System.out.println("********************** 支付成功(支付宝同步通知) **********************");
            System.out.println("* 订单号: {}" + out_trade_no);
            System.out.println("* 支付宝交易号: {}" + trade_no);
            System.out.println("* 实付金额: {}" + total_amount);
            System.out.println("* 购买产品: {}");
            System.out.println("***************************************************************");

            model.put("out_trade_no", out_trade_no);//订单编号
            model.put("trade_no", trade_no);//支付宝交易号
            model.put("total_amount", total_amount);//实付金额
            model.put("productName", "三星s10");//购买产品
        } else {
            System.out.println("支付, 验签失败...");
        }
        return "alipaySuccess";
    }






    @RequestMapping(value = "/alipay/alipayNotifyNotice")
    @ResponseBody
    public String alipayNotifyNotice(HttpServletRequest request) throws Exception {


        System.out.println("支付成功, 进入异步通知接口...");

        //获取支付宝POST过来反馈信息
        Map<String, String> params = new HashMap<String, String>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        System.out.println(signVerified);
        //——请在这里编写您的程序（以下代码仅作参考）——

		/* 实际验证过程建议商户务必添加以下校验：
		1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
		2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
		3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
		4、验证app_id是否为该商户本身。
		*/
        if (signVerified) {//验证成功
            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"), "UTF-8");

            //交易状态
            String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"), "UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"), "UTF-8");

            if (trade_status.equals("TRADE_FINISHED")) {
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序

                //注意： 尚自习的订单没有退款功能, 这个条件判断是进不来的, 所以此处不必写代码
                //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
            } else if (trade_status.equals("TRADE_SUCCESS")) {
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序

                //注意：
                //付款完成后，支付宝系统发送该交易状态通知

                // 修改叮当状态，改为 支付成功，已付款; 同时新增支付流水
                //修改叮当状态，改为 支付成功，已付款;
                Orders orders = new Orders();
                orders.setId(out_trade_no);
                orders.setOrderStatus(String.valueOf(OrderStatusEnum.PAID));
                orders.setPaidAmount(total_amount);
                orders.setPaidTime(new Date());
                ordersService.updateorder(orders);


                //同时新增支付流水
                Orders order2 = ordersService.selectByPrimaryKey(out_trade_no);
                Flow flow = new Flow();
                String flowid = KeyUtil.genUniqueKey();
                flow.setId(flowid);
                flow.setFlowNum(trade_no);
                flow.setBuyCounts(order2.getBuyCounts());
                flow.setCreateTime(new Date());
                flow.setOrderNum(out_trade_no);
                flow.setPaidAmount(total_amount);
                flow.setPaidMethod(1);
                flow.setProductId(order2.getProductId());
                flowService.insert(flow);
                Product product = productService.selectByPrimaryKey(order2.getProductId());

                System.out.println("********************** 支付成功(支付宝异步通知) **********************");
                System.out.println("* 订单号: {}" + out_trade_no);
                System.out.println("* 支付宝交易号: {}" + trade_no);
                System.out.println("* 实付金额: {}" + total_amount);
                System.out.println("* 购买产品: {}" + product.getName());
                System.out.println("***************************************************************");
            }
            System.out.println("支付成功...");

        } else {//验证失败
            System.out.println("支付, 验签失败...");
        }

        return "success";
    }

}
